There was good reason for the king’s eulogy of Selden’s treatise. From the point of view of his policy nothing that the pen can do could have been better done. It is an elaborate and masterly exposition of the case for the sovereignty of the crown of England in the British seas, which throws into the shade all the other numerous works which were written on that side of the question. One of the most eminent lawyers of his time, a scholar, an antiquary, an historian, the author brought to his task a keen intellect, an immense erudition, and the ability of disposing his material and arguments to the best advantage. In learning at least he far surpassed Grotius, and he was not inferior to his illustrious contemporary in ingenuity of reasoning. It was Selden’s misfortune that the cause he championed was moribund, and opposed to the growing spirit of freedom throughout the world. At the same time it must be said that, apart from its extreme doctrines as to the sovereignty of England in the seas, it more correctly represented what are now the admitted principles as to the appropriation of the adjacent sea than did most of the works written on the other side, not excepting even those of Grotius. But in relation to the cause for which it was written, the merit of _Mare Clausum_ lay not merely in the enunciation of the theoretical and legal aspects of the claim to maritime sovereignty, but also in the imposing array of historical facts and arguments by which the right of England was sought to be established. The defects of the work are scarcely less apparent. There is no ground to suppose that Selden was guilty of the offence attributed to him by some of his foreign critics, of inventing part of the evidence he cites. But the interpretation he placed upon much of it was strained or erroneous. Great conclusions were drawn from things which had in reality no connection with his case; laws and events which referred solely to English subjects were improperly extended to include foreigners; the bearing of many records was misrepresented, others were passed over in silence, or, as with the “Burgundy” treaties, referred to in such a way as to distort their plain meaning.